Quote:
Originally Posted by Lucien Nunes
Did you find the root cause of the insulation breakdown? Some USA-made transformers run very much on the border of saturation on 50Hz and if the voltage is also high (e.g. when 208V equipment is supplied from a 230V stepdown) might get undesirably hot.
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Hi Lucien, No I never investigated the cause & just assumed they were a bad batch because percentage wise, only a few failed.
I take you point though that may not have liked the UK frequency or voltage.
Rog